(19)

(11)

EP 2 785 848 A2

(12)

(88) Date of publication A3: 22.08.2013 (43) Date of publication: 08.10.2014 Bulletin 2014/41 (21) Application number: 12799032.3 (22) Date of filing: 30.11.2012

(51) International Patent Classification (IPC):  C12P 5/02(2006.01) C07C 11/167(2006.01) C12N 9/00(2006.01) (86) International application number: PCT/US2012/067463 (87) International publication number: WO 2013/082542 (06.06.2013 Gazette 2013/23)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 02.12.2011 US 201161566085 P 17.10.2012 US 201261714883 P (71) Applicant: INVISTA Technologies S.à.r.l. 9000 St. Gallen (CH)	(72) Inventors: PEARLMAN, Paul S. Thonton, Pennsylvania 19373-1049 (US) CHEN, Changlin Ingleby Barwick Cleveland TS17 5EE (GB) BOTES, Adriana Rosedale East Cleveland Y018 8RL (GB) CONRADIE, Alex Van Eck Eaglescliffe Cleveland TS16 9EZ (GB) (74) Representative: White, Martin Paul  Whites IP Ltd 7 Berwick Road Bournemouth BH3 7BB Bournemouth BH3 7BB (GB)